The correct route through which pulse-making impulse travels in the heart is

A SA node —> Purkinje fibres —> bundle of His —> AV node —> heart muscles

B SA node —> AV node —> bundle of His —> Purkinje fibres —> heart muscles

C AV node —> bundle of His —> SA node —> Purkinje fibres —> heart muscles

D AV node —> SA node —> Purkinje fibres —> bundle of His —> heart muscles

Answer & Explanation
Answer: SA node —> AV node —> bundle of His —> Purkinje fibres —> heart muscles